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Adsorption and Desorption Kinetics of Anionic Dyes on Doped Polyaniline
Abstract
In this study, we report an approach for the adsorption and desorption of anionic (sulfonated) dyes from aqueous solution by doped polyaniline. In this study, we have synthesized PANI with two dopants, namely, p-toluenesulfonic acid (PTSA) and camphorsulfonic acid (CSA), and used these to adsorb various dyes. It was found that the doped PANI selectively adsorbs anionic dyes and does not adsorb cationic dyes. The adsorption of anionic dyes causes the variation in electrical conductivity of PANI, indicating its potential as a conductometric sensor for these dyes at very low concentration. The adsorbed dyes were desorbed from the polymer by using a basic aqueous solution. The adsorption and desorption kinetics of the dye in the presence of doped PANI were also determined.
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Synthesis of electrically conducting organic polymers: halogen derivatives of polyacetylene, (CH) x
Shirakawa, H., Louis, E. J., MacDiarmid, A. G., Chiang, C. K., & Heeger, A. J. (1977) · Journal of the Chemical Society, Chemical Communications · doi:10.1039/c39770000578 · Cited by 3,867
Removal of dyes from aqueous solution using fly ash and red mud
Wang, S., Boyjoo, Y., Choueib, A., & Zhu, Z. H. (2005) · Water Research · doi:10.1016/j.watres.2004.09.011 · Cited by 924
Cited by
Graphene and graphene oxide as effective adsorbents toward anionic and cationic dyes
Ramesha, G. K., Vijaya Kumara, A., Muralidhara, H. B., & Sampath, S. (2011) · Journal of Colloid and Interface Science · doi:10.1016/j.jcis.2011.05.050 · Cited by 1,119
Adsorption of Cationic Dye (Methylene Blue) from Water Using Polyaniline Nanotubes Base
Ayad, M. M., & El-Nasr, A. A. (2010) · The Journal of Physical Chemistry C · doi:10.1021/jp103780w · Cited by 411
Ahmad, M. A., Ahmad Puad, N. A., & Bello, O. S. (2014) · Water Resources and Industry · doi:10.1016/j.wri.2014.06.002 · Cited by 379
Polyaniline-based adsorbents for aqueous pollutants removal: A review
Samadi, A., Xie, M., Li, J., Shon, H., Zheng, C., & Zhao, S. (2021) · Chemical Engineering Journal · doi:10.1016/j.cej.2021.129425 · Cited by 258
Janaki, V., Oh, B.-T., Shanthi, K., Lee, K.-J., Ramasamy, A. K., & Kamala-Kannan, S. (2012) · Synthetic Metals · doi:10.1016/j.synthmet.2012.04.015 · Cited by 233
Metadata
- Authors
- Mahanta, D., Madras, G., Radhakrishnan, S., & Patil, S.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-02-05
- Volume
- 113
- Issue
- 8
- Pages
- 2293-2299
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2093481442
- Cited by
- 201
- References
- 2
- FWCI
- 8.92
- Type
- journal article
- Language
- en
- Open access
- closed
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- Mahanta, D., Madras, G., Radhakrishnan, S., & Patil, S. (2009). Adsorption and Desorption Kinetics of Anionic Dyes on Doped Polyaniline. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp809796e
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